Deconstruction of the Time Trend in Health Insurance: A look inside SIPP 2008 health insurance rates

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Working Paper Number: SIPP-WP-251

The Survey of Income and Program Participation (SIPP) is a nationally representative survey that provides longitudinal surveillance on health insurance coverage at a monthly level, requiring a complex system of survey administration and data processing. This analysis presents new longitudinal health insurance estimates from the SIPP spanning May 2008 to March 2010. I present estimates of the number of months of insurance, as well as monthly estimates for coverage types,by age group. I then decompose these estimates into their constituent waves and subsample components, to reveal any irregularities embedded within the aggregate numbers.

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